ZR36504 Просмотр технического описания (PDF) - Unspecified

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Компоненты Описание

производитель

ZR36504

Video & Audio Interface solution via USB

Unspecified 

ZORAN Corporation

USBvision II Data Decoder

ZR36505 Data Sheet

Write transaction protocol:

SETUP PID

byte0=0x42

Device Address End-Point #1

byte1=0x33

byte4 = RA

I/O-Reg address

Host initiates I/O-Reg

operation

byte5=0x00

Host defines

Reg-Address

ACK PID

NT1004 sends handshake to host

OUT PID

Device Address End-Point #1

Host initiates Write operation

DATA0(1) PID DATA-byte #1

DATA-byte #2

(optional)

DATA-byte #8

(optional)

Reg Data

ACK PID

NT1004 sends handshake to host

IN PID

...Empty IN Packet

Host terminates Setup Command

ACK PID

Host sends handshake to NT1004

The following table specifies the addresses where the ZR36504 stores each of the bytes that

appear in the data-section of the USB OUT transaction. These addresses relate to the

contents of the wIndex parameter (bytes 4&5 of the SETUP command), which is denoted

here by RA.

DATA

byte #

1

2

3

4

5

6

7

8

Contents

Out Data

Out Data

Out Data

Out Data

Out Data

Out Data

Out Data

Out Data

Description

Will be stored in register at address RA.

Optional. Will be stored in register at address RA+1.

Optional. Will be stored in register at address RA+2.

Optional. Will be stored in register at address RA+3.

Optional. Will be stored in register at address RA+4.

Optional. Will be stored in register at address RA+5.

Optional. Will be stored in register at address RA+6.

Optional. Will be stored in register at address RA+7.

November-99

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